Add kprobe %return suffix testcase and syntax error tests for %return suffix. Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx> --- .../ftrace/test.d/kprobe/kprobe_syntax_errors.tc | 6 ++++++ .../test.d/kprobe/kretprobe_return_suffix.tc | 21 ++++++++++++++++++++ .../ftrace/test.d/kprobe/uprobe_syntax_errors.tc | 6 ++++++ 3 files changed, 33 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_return_suffix.tc diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc index b4d834675e59..56b3f36c722b 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc @@ -97,4 +97,10 @@ check_error 'p:kprobes/testevent _do_fork ^abcd=\"foo"' # DIFF_ARG_TYPE check_error '^p:kprobes/testevent _do_fork abcd=\1' # SAME_PROBE fi +# %return suffix errors +if grep -q "place (kretprobe): .*%return.*" README; then +check_error 'p vfs_read^%hoge' # BAD_ADDR_SUFFIX +check_error 'p ^vfs_read+10%return' # BAD_RETPROBE +fi + exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_return_suffix.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_return_suffix.tc new file mode 100644 index 000000000000..f07bd15cc033 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_return_suffix.tc @@ -0,0 +1,21 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kretprobe %%return suffix test +# requires: kprobe_events '<symbol>[+<offset>]%return':README + +# Test for kretprobe by "r" +echo 'r:myprobeaccept vfs_read' > kprobe_events +RESULT1=`cat kprobe_events` + +# Test for kretprobe by "%return" +echo 'p:myprobeaccept vfs_read%return' > kprobe_events +RESULT2=`cat kprobe_events` + +if [ "$RESULT1" != "$RESULT2" ]; then + echo "Error: %return suffix didn't make a return probe." + echo "r-command: $RESULT1" + echo "%return: $RESULT2" + exit_fail +fi + +echo > kprobe_events diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc index 7b5b60c3c5a2..f5e3f9e4a01f 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc @@ -17,4 +17,10 @@ check_error 'p /bin/sh:10(10)^a' # BAD_REFCNT_SUFFIX check_error 'p /bin/sh:10 ^@+ab' # BAD_FILE_OFFS check_error 'p /bin/sh:10 ^@symbol' # SYM_ON_UPROBE +# %return suffix error +if grep -q "place (uprobe): .*%return.*" README; then +check_error 'p /bin/sh:10^%hoge' # BAD_ADDR_SUFFIX +check_error 'p /bin/sh:10(10)^%return' # BAD_REFCNT_SUFFIX +fi + exit 0
